Area and Perimeter of Irregular Shapes

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This Area and Perimeter of Irregular Shapes worksheet also includes:

Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their solutions, these exercises would make a great addition to the resource library of any upper-elementary teacher.

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CCSS: Adaptable
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Instructional Ideas
  • Supplement these assessments into upper-elementary geometry unit on area and perimeter
  • These exercises could also be used as in-class or homework assignments
  • Working in small groups, have students analyze the included samples of student work, identifying and explaining any mistakes that were made
  • Assessments include real-world area and perimeter problems for students to solve
  • Numerous samples of student work are included that demonstrate common misconceptions children may have when learning about area and perimeter
  • Rubrics are provided for grading the assessment tasks
  • Problems are printed on grid paper to support students with calculating area and perimeter
  • None